Autonnic A5023, User And Installation Manual

Page 1: ...24 1 of 19 A5023 A5024 FLUXGATE COMPASS USER AND INSTALLATION MANUAL Software releases V016 Hardware versions 7310 4 Autonnic Research Ltd UK www autonnic com A5023 A5024 manual 03 docx Jan 2019 19 De...

Page 2: ...Power supply 1 6 Mounting 2 Connecting the compass to your application 2 1 To a NMEA 0183 instrument 2 2 To a PC serial port 3 Output formats available from compass 3 1 NMEA 0183 3 2 Furuno AD 10 4 C...

Page 3: ...re surrounded by high precision interface circuits which together with the special clockwise anticlockwise and offset nulling sequence allow a microprocessor to acquire a binary value from two orthogo...

Page 4: ...ck P GND 6 Blue O Furuno AD 10 Clock 7 Violet O Furuno AD 10 Data 8 Green P GND Screen Not connected NOTE 1 Conductors 5 and 8 are connected together inside the A5024 NOTE 2 Wiring does not use the sa...

Page 5: ...1 Red P Supply 2 Yellow I NMEA IN 3 Blue P GND and NMEA IN 4 Green O NMEA OUT NOTE Cable foil and drain wire internally NOT connected to GND 1 3 Switch Inputs S1 S2 Fig 1 Except for variants with suff...

Page 6: ...e installation is headed North 3 Both together Pressing both together for at least one second causes the auto calibration process to halt and restores the previously saved calibration values 1 4 Indic...

Page 7: ...possible scenarios here and it remains up to the user to determine the suitability of a possible location for the compass Note that the output takes several seconds to stabilize after a power is appli...

Page 8: ...is based on is a balanced serial protocol called RS422 This means that two wires are need for send and two for receive Fig 2 Note that the GND wire is used for the current return path This might be s...

Page 9: ...from 000 0 to 359 9 degrees Also the Rate of turn data is sent either with or without the heading sentence For a complete list of output formats available see Section 5 11 3 2 Furuno AD 10 A5024 only...

Page 10: ...irst method The process consists of rotating the whole installation in the Earth s field so that both permanent magnets and induced magnets are corrected The method used is the single turn at a consta...

Page 11: ...hat these remain unchanged after calibration If any significant iron component is altered such as the installation of new equipment or replacement of equipment such as winches or engines then the cali...

Page 12: ...rth This is best done by identifying transits on a chart and heading the boat on the transit Again this should be done in the same conditions so that the heading can be lined up on the transit and mai...

Page 13: ...CFG Configure NMEA sentence output format 5 2 5 DHD Set heading damping value 5 2 6 DLED Disable LED s 5 2 7 DLY Set power up delay 5 2 8 ELED Enable LED s 5 2 9 IAC Initialise autocalibration 5 2 10...

Page 14: ...3 PATC IIHDG CEC CR LF Read calibration code The response is a proprietary sentence containing a code k for the status PATC HCHDG CEC k CR LF Where k has the following values k 0 the last auto calibr...

Page 15: ...HCHCC hhh h CR LF a 4 HEHDT hhh h CR LF a 5 no heading data sent hhh h is the compass heading in degrees this compass heading field will be omitted when auto calibration is in process and b is sentenc...

Page 16: ...transmitted sentence is HEROT zxxx x A cc CR LF note the E and where z sign as follows or missing turning to starboard i e heading value is increasing turning to port i e heading value is decreasing a...

Page 17: ...7 PATC IIHDG DLYn n CR LF Startup Delay Sets a delay from Power up to the transmission of the first output sentence where n n is in seconds with a maximum of 6 5 5 2 8 PATC IIHDG ELED CR LF Enable LE...

Page 18: ...IIHDG RHD nn CR LF Internal filter response Where nn is the damping value within the range 0 to 99 5 2 12 PATC IIHDG RHO CR LF PATC IIHDG RHO nnn n CR LF Where nnn n is the heading offset Note that le...

Page 19: ...updater software which runs under Microsoft Windows It is used to send aeh files to install a new version of firmware 5 2 17 PATC IIHDG XCL CR LF Abort Auto Calibration Refer to section 1 3 6 Referen...